feat: upgrade phpunit to 12.5

tests/Service/DatabaseAnonymizerTest.php

@@ -18,7 +18,7 @@ class DatabaseAnonymizerTest extends TestCase
     public function testAnonymizeEntityMethodsReuseSharedIdentityAndPreserveDraftTimestamps(): void
     {
         $service = new DatabaseAnonymizer(
-            $this->createMock(EntityManagerInterface::class),
+            $this->createStub(EntityManagerInterface::class),
             new NullLogger(),
         );